제출 #81925

#제출 시각아이디문제언어결과실행 시간메모리
81925heonStudentsko (COCI14_studentsko)C++11
100 / 100
7 ms1468 KiB
#include<bits/stdc++.h>

using namespace std;

int main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n,k;
	cin >> n >> k;
	vector <int> v(n);
	vector <int> p;
	for(int i = 0; i < n; i++){
		cin >> v[i];
		p.push_back(v[i]);
	}
	sort(p.begin(), p.end());
	map <int, int> mp;
	for(int i = 0; i < n; i++){
		mp[p[i]] = i/k;
	}
	multiset <int> mst;
	for(int i = 0; i < n; i++){
		int value = mp[v[i]];
		mst.insert(value);
		auto it = mst.upper_bound(value);
		if(it != mst.end()) mst.erase(mst.find(*it));
	}
	cout << n - mst.size();
}	
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